27012611490 has 64 divisors (see below), whose sum is σ = 65192245632. Its totient is φ = 7163251200.

The previous prime is 27012611459. The next prime is 27012611513. The reversal of 27012611490 is 9411621072.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4557669 + ... + 4563591.

It is an arithmetic number, because the mean of its divisors is an integer number (1018628838).

Almost surely, 2^27012611490 is an apocalyptic number.

27012611490 is an abundant number, since it is smaller than the sum of its proper divisors (38179634142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27012611490 is a wasteful number, since it uses less digits than its factorization.

27012611490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6755.

The product of its (nonzero) digits is 6048, while the sum is 33.

The spelling of 27012611490 in words is "twenty-seven billion, twelve million, six hundred eleven thousand, four hundred ninety".